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    <marc:controlfield tag="001">9.957615</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
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      <marc:subfield code="a">Lawrence, D. E., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Frost heave and northern pipelines, state of the art and status of research – three contributing studies / </marc:subfield>
      <marc:subfield code="c">compiled by D.E. Lawrence, S.L. Smith and M.M. Burgess.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="c">2005.</marc:subfield>
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      <marc:subfield code="c">©2005</marc:subfield>
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      <marc:subfield code="a">1 online resource (1 volume (various pagings)) : </marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"An application to build a large diameter buried chilled natural gas pipeline to transport Mackenzie Delta gas through the Mackenzie valley to southern markets was filed in October 2004. The frost heave issue that was vigorously debated for similar gas pipeline proposals in the late 1970s is once again relevant. In view of this renewed interest, three review studies on frost heave and pipelines were commissioned by the federal government, under the scientific authority of the Geological Survey of Canada (GSC) of Natural Resources Canada, in 2004. The aim of these studies was to document the current state of knowledge about frost heave theory, testing and predictive modelling, and the application of this knowledge to the design, construction and operation of a buried chilled gas pipeline"--Foreword, page ii.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Frost heaving</marc:subfield>
      <marc:subfield code="z">Northwest Territories</marc:subfield>
      <marc:subfield code="z">Mackenzie River Valley.</marc:subfield>
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      <marc:subfield code="a">Liquefied natural gas pipelines</marc:subfield>
      <marc:subfield code="z">Northwest Territories</marc:subfield>
      <marc:subfield code="z">Mackenzie River Valley.</marc:subfield>
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      <marc:subfield code="a">Gonflement par le gel</marc:subfield>
      <marc:subfield code="z">Territoires du Nord-Ouest</marc:subfield>
      <marc:subfield code="z">Mackenzie, Vallée du.</marc:subfield>
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      <marc:subfield code="a">Gaz naturel liquéfié</marc:subfield>
      <marc:subfield code="x">Pipelines</marc:subfield>
      <marc:subfield code="z">Territoires du Nord-Ouest</marc:subfield>
      <marc:subfield code="z">Mackenzie, Vallée du.</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Open file (Geological Survey of Canada)</marc:subfield>
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      <marc:subfield code="w">(CaOODSP)9.506878</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">11.50 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-5004-eng.pdf</marc:subfield>
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      <marc:subfield code="u">https://doi.org/10.4095/220857</marc:subfield>
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